Carbide Inserts for Mining Impact Drill Bits
According to the application, our tungsten carbide insert can be divided into rock drill bit, DTH hammer bit and cone bit. Terms shape, our tungsten carbide insert can be divided into ovoid insert, conical insert, bullet insert, wedge insert, spoon insert, flat insert, saw insert, etc.
➤ Grades properties and applications
| Grade |
Cobalt Content %(±0.5) |
Density g/cm³(±0.1) |
Hardness HRA(±0.3) |
Bending Strength N/mm²(≥) |
Application Introduction |
|---|---|---|---|---|---|
| XR062 | 6 | 14.95 | 90.0 | 2800 | Applied to the DTH bits and thread bits for medium and high air pressure, can be used on medium‑hard rock formations. |
| XR06A | 6 | 14.95 | 90.5 | 2900 | Applied to the DTH bits, thread bits, and ordinary small‑diameter bits for medium and low air pressure can be used on medium‑soft or medium‑hard rock formations. |
| XR06AH | 6 | 14.95 | 90.3 | 3100 | Applied to the DTH bits and thread bits for high air pressure, can be used on medium hard or hard rock formations, with good impact toughness and versatility |
| XR06AT | 6 | 14.95 | 90.6 | 3200 | Applied to the DTH bits and thread bits for high air pressure, suitable for hard and extremely hard rock formations, with good wear resistance |
★ The customized specification is available.
◎ OVOID INSERT
The ovoid insert is used for the DTH drilling bit and hydraulic thread bit. It breaks rocks by chiseling and crashing, suitable for a hard and extremely hard rock formation.
| Model | Basic size (mm) | Model | Basic size (mm) | ||
|---|---|---|---|---|---|
| D | H | D | H | ||
| Q0606 | 6.1 | 6.0 | Q1417 | 14.1 | 17.0 |
| Q0709 | 7.1 | 9.0 | Q1624 | 16.1 | 24.0 |
| Q0810 | 8.1 | 10.0 | Q1826 | 18.1 | 26.0 |
| Q0910 | 9.1 | 10.0 | Q1927 | 19.1 | 27.0 |
| Q1012 | 10.1 | 12.0 | Q2028 | 20.1 | 28.0 |
| Q1114 | 11.1 | 14.0 | Q2230 | 22.1 | 30.0 |
| Q1216 | 12.1 | 16.0 | Q2540 | 25.2 | 40.0 |
★ The customized specification is available.
◎ PARABOLIC INSERT
The parabolic insert is applied to the DTH drilling bits, hydraulic thread bits, and taper jointed bits. It breaks rocks by chiseling, crushing and cutting, suitable for drilling medium‑hard rock formations.
| Model | Basic size (mm) | Model | Basic size (mm) | ||||
|---|---|---|---|---|---|---|---|
| D | H | h | D | H | h | ||
| D0710 | 7.1 | 10.0 | 3.9 | D1320 | 13.1 | 20.0 | 6.3 |
| D0812 | 8.1 | 12.0 | 4.5 | D1419 | 14.1 | 19.0 | 7.1 |
| D0914 | 9.1 | 14.0 | 4.7 | D1521 | 15.1 | 21.0 | 8.5 |
| D1016 | 10.1 | 16.0 | 5.1 | D1622 | 16.1 | 22.0 | 9.8 |
| D1117 | 11.1 | 17.0 | 5.8 | D1827 | 18.1 | 27.0 | 9.7 |
| D1218 | 12.1 | 18.0 | 7.2 | D2030 | 20.1 | 30.0 | 11.4 |
★ The customized specification is available.
◎ CONICAL INSERT
The conical insert is applied to the DTH drilling bits, hydraulic thread bits, and taper jointed bits. It breaks rocks by chiseling, crushing and cutting, suitable for drilling medium‑hard rock formations.
| Model | Basic size (mm) | Model | Basic size (mm) | ||
|---|---|---|---|---|---|
| D | H | D | H | ||
| Z0710 | 7.1 | 10.0 | Z1317 | 13.1 | 17.0 |
| Z0811 | 8.1 | 11.0 | Z1419 | 14.1 | 19.0 |
| Z0912 | 9.1 | 12.0 | Z1520 | 15.1 | 20.0 |
| Z1013 | 10.1 | 13.0 | Z1622 | 16.1 | 22.0 |
| Z1114 | 11.1 | 14.0 | Z1824 | 18.1 | 24.0 |
| Z1215 | 12.1 | 15.0 | Z1928 | 19.1 | 28.0 |
★ The customized specification is available.